baber/WOPTO huggingface dataset:
Patent GB-1367281-A (GB)
Title: Speed detecting devices
IPC: G01P13/04
Filed: 1972-01-10
Abstract: 1367281 Measuring speed of rotation SONY CORP 10 Jan 1972 [19 Jan 1971] 1078/72 Heading G1N A D. C. voltage of magnitude and polarity corresponding to the speed and direction of rotation of a motor M is generated by rotating two discs 1, 2 each magnetized at its edge with 100 pairs of N and S poles equally spaced, one disc 2 co-operating with a stator 11 to induce an alternating voltage in a winding 11b and the other disc 1 controlling a saturable transformer 4 to enable gate 20 to pass only a selected portion of the waveform generated in winding 11b in the region of its maximum to a low pass filter 21. The stator 11 comprises two rings of inter-digitated teeth (30, 31), Figs. 4 and 5 (not shown) corresponding to the spacing of the poles on disc 2, and a common winding 11b. The saturable transformer 4 comprises a ferrite core (5), Fig. 2 (not shown) having two relatively large cross-section ends joined by two relatively small cross-section portions surrounded by the primary and secondary winding respectively. A permanent magnet (13) or a D. C. coil biases the core to saturate the small cross-section portions. These portions become unsaturated only when a N pole of disc 1 is proximate the core, thereby passing A. C. from a 1 MHz oscillator 9 to make transistors 10a and 10b conductive. A full-wave version having two generators, two transformers and two gates is described with reference to Fig. 7 (not shown).
Patent GB-781704-A (GB)
Title: Improvements in or relating to metal clad vapour electric arc converters
Inventor: MORRIS CHARLES HENRY
IPC: H01J13/32
Filed: 1955-01-13
Abstract: 781,704. Metal-vapour converters. GENERAL ELECTRIC CO., Ltd. Jan. 3, 1956 [Jan. 13, 1955], No. 1084/55. Class 39(1). In a metal clad vapour electric converter of the side arm type which is cooled by surrounding the converter vessel 1 by a metal shroud or ducting 5 through which air is drawn or blown by a fan or the like, the side arms 2 project through apertures 6 in the shroud 5 and the apertures are sealed by a heat resisting silicone rubber annulus 7. The annulus 7 may be formed in part of bimetal so that when the vessel and side arms reach the normal operating temperature the annulus is displaced to allow air to escape through the gap 6 to cool the side arm, alternatively air may be allowed to pass through other normally sealed apertures for the latter purpose.
Patent GB-765910-A (GB)
Title: Improvements in or relating to the drying of grain and similar materials
IPC: F26B17/10
Filed: 1953-01-16
Abstract: 765,910. Drying grain &c. SANDOR, B. T. March 26, 1954 [Jan. 16, 1953], No. 1329/53. Class 34(2) In the drying of grain &c. fed into a pneumatic conveying stream and passed tangentially into a drying chamber the material is heated by heat derived from an internal combustion engine used for driving the fan supplying the pneumatic stream and the moist, air is exhausted from the chamber separately from the material. The material is fed through a venturi inlet device 96 into an air stream, generated by a blower 94a driven by an internal combustion engine 94, and is blown into the tangential inlet 97 of a cyclone 98 having an air outlet 99 and a two-way outlet 100 for the dried material. Hot water from the water jacket of the engine flows through a heat exchanger 102 through which flow the engine exhaust gases and the water then flows through heat exchanger 95 to heat the blown air. The chamber may be heated by internal or external heaters or heated jackets. Specification 765,911 is referred to.
Patent GB-157421-A (GB)
Title: Means for dyeing yarn on bobbins in circulating dye liquor
IPC: D06B5/16
Filed: 1921-01-10
Abstract: 157,421. Krantz, H. [Firm of]. Jan. 17, 1917, [Convention date]. Addition to 157,418. Circulating liquids through materials on perforated tubes.-In dyeing apparatus of the kind described in the parent Specification and Specifications 157,419 and 157,420, the buoyant effect is obtained by making the separating-discs of cork, paper mÔchÚ, &c.
Patent GB-1513867-A (GB)
Title: Water-based liners for beverage containers
IPC: C08F20/52
Filed: 1975-05-15
Abstract: 1513867 Neutralized copolymers PPG INDUSTRIES Inc 15 May 1975 [16 May 1974 5 Aug 1974] 1351/78 Divided out of 1513866 Heading C3P Water-based coating compositions for use as internal coatings for metallic beverage containers comprise:- (a) an ammonia- or aminepartially neutralized copolymer containing (i) 5-25 wt.% of acrylamide or methacrylamide in the form of units of formula in which R<1> is H or methyl, and R is H or butyl, at least 50% of R being butyl, (ii) 3-25 wt.% of acidic units derived from acrylic acid, (iii) 3-75 wt.% of hard monomer units derived from styrene, and (iv) 5-75 wt.% of flexible monomer units derived from ethyl acrylate, said copolymer having been produced by polymerization in the absence of a mercaptan, and being neutralized with ammonia or amine sufficient to solubilize the copolymer but which provides not more than 0-764 milliequivalents of salt per gram of resin solids; and (b) a liquid medium comprising water or a mixture of at least 60% water with a water-soluble or watermiscible organic solvent. The units of Formula I may be produced by after-treatment of a (meth) - acrylamide-containing copolymer, but preferably are obtained directly by copolymerization of an appropriate monomer. In Examples, copolymers obtained by copolymerization of N- (butoxymethyl)acrylamide, acrylic acid, styrene and ethyl acrylate are neutralized with dimethyl ethanolamine and formulated into coating compositions of which the liquid medium is a mixture of water, butanol, isopropanol, toluene and ethyl- or butyl-Cellosolve (Trade Mark).
Patent GB-141797-A (GB)
Title: Improvements in or relating to telephonic systems
IPC: H04M9/00
Filed: 1919-01-20
Abstract: 141,797. Graham, E. A. Jan. 20, 1919. Direct-call systems and apparatus; exchange systems and apparatus.-In a three-wire directcall or exchange system, each station is provided with a loud-speaking receiver, adapted to operate as a calling-device, and a bell or lamp or bell and lamp calling-devices which may be operated independently of the calling-receiver or simultaneously therewith. Each station X and Y, Fig. 1, is provided with a microphone 6, the circuit of which is controlled by a switch 7, a loud-speaking receiver 4 connected in series with a condenser 5 across the talking leads A, B, an induction coil 3, and a bell 10 and lamp 11 normally connected in parallel across the leads C, B by the switch 1. To call station Y from station X. and vice versa, by means of the receiver 4, the switch 7 at the calling-station is closed and the microphone 6 operated upon. To call station Y from station X by means of the bell 10 and lamp 11, the arm 1<c> of switch 1 at station X is caused to engage contact 1<b>, thereby placing the bell 10 and lamp 11 at station Y across the leads A, B. In the modification shown in Fig. 2, each station is also provided with an interrupter 2, and the switches 1 are two-pole switches which normally close the talking circuits at the contacts 1<e>, 1<b> and the bell circuit at the contacts 1<c>, 1<a>. When the switch 7 at the calling-station is closed, the receiver 4 may be operated to make a call; while if the switch 1 is operated, the interrupter 2 is placed across the leads A, B and in parallel with the lamp 11 and bell 10 of the called station across the leads C, B through the switch members 1<b>, 1<f>, 1<c>. The lamp 11 and bell 10 are energized by pulsating currents over the lead C, and the receiver 4 ie also energized by reflex alternations over the lead A and condenser 9. In the modification shown in Fig. 3, each station is provided with inductive relays 12 controlling the bell or lamp circuits and a manually-operated switch 7 controlling the bell end talking circuits. When the switch 7 at the calling-station is operated to close the contacts 7a, 7b and the microphone 6 operated upon, the receiver 4 at the called station is operated by currents over the lead C<1>; while to call by means of the bell or lamp 15, the switch 1 at the calling- station is operated to close the contacts 1<b>, 1<c>, thereby placing the relay 12 at the called station in series with the interrupter 2 at the calling- station across the leads A<1>, B<1>. The relay 12 operates to close the circuit of the lamp or bell 15 at the contacts 13, 14. In the exchange system shown in Fig. 4, the exchange is provided with a calling receiver 4*, inductive relays 12* controlling the circuits of the receiver 4*, signal lamps 19 and a bell 10, a speaking set O, and a two-conductor cord 17 adapted to connect the leads A, C. In the modification shown in Fig. 5, the telephones are connected in the manner shown in Fig. 3, and a single-conductor cord 20 adapted to connect the leads C' is provided. Specification 165,814 is referred to.
Patent GB-1453813-A (GB)
Title: Polycarbonate-polyvinyl chloride moulding compounds
IPC: C08F291/00
Filed: 1975-01-14
Abstract: 1453813 Vinyl chloride/polycarbonate graft polymers BAYER AG 14 Jan 1975 [17 Jan 1974] 1526/75 Heading C3G An aromatic polycarbonate-modified vinyl chloride polymer is produced by polymerization of vinyl chloride in the presence of at least one aromatic polycarbonate, and the addition of from 0 to 100% by weight, based on the said modified polymer, of a rubber or rubber-modified thermoplastic resin before or after polymerization. Examples are given in which vinyl chloride is polymerized in an aqueous suspension containing a polycarbonate produced from 2,2- bis - (3,5 - dimethyl - 4 - hydroxyphenyl)- propane. The resulting graft polymer, optionally together with a polybutadiene/styrene/ methyl methacrylate polymer, is blended with an organo-tin stabilizer and waxes and formed into plates.
Patent GB-853526-A (GB)
Title: Improvements in or relating to vacuum regulating devices for vacuum cleaners
IPC: A47L9/02
Filed: 1958-01-16
Abstract: 853,526. Suction cleaners. ELECTROLUX Ltd. Jan. 16, 1958 [Jan. 18, 1957], No. 1529/58. Class 8(1). A vacuum regulating device 15, Fig. 3 is located in the suction tube 12, 13 connecting a cleaning nozzle 14 with a vacuum cleaner casing 10 and comprises a leakage opening 17 which is automatically controlled in accordance with the operating conditions of the nozzle, e.g. the opening may be fully closed during forward movement of the nozzle giving maximum suction and vice versa during rearward movement of the nozzle as shown the opening 17 is located in the wall of a portion 16, Fig. 1 of the tube 12 and is controlled by the tube 13 which is slidably mounted therein and prevented from rotation by a set screw 28 and slot 27. The tube 13 is secured to a threaded ring 18 meshing with an internally threaded sleeve 22 having an inturned flange 23 abutting an out-turned flange 25 of the socket 16, and axial adjustment of the sleeve 22 relative to the tube 13 and against the action of a spring 26 limits the maximum effective area of the opening 17 which is reduced when the operator pushes downwardly on the tube 14. On tightening the set screw 28 the device is rendered inoperative.
Patent GB-367996-A (GB)
Title: Improvements in the manufacture and production of metals from solid metal carbonyls
IPC: C22B5/20
Filed: 1931-01-17
Abstract: 367,996. Carbonyl processes ; alloys. JOHNSON, J. Y., 47, Lincoln's Inn Fields, London.-(I. G. Farbenindustrie Akt.-Ges.; Frankfort-on-Main, Germany.) Jan. 17, 1931, No. 1621. [Classes 72 and 82 (i).] Metals, particularly in the form of fine powder, are obtained from solid carbonyls such as cobalt tetracarbonyl or tricarbonyl, molybdenum carbonyl, tungsten carbonyl, and sublimed chromium carbonyl, by causing the carbonyls to fall through a heated space in a comminuted solid state. Finely powdered metal carbonyl may be fed into the top of a vertical decomposition chamber by a conveyer worm or a shaking sieve, and it may pass directly into the chamber from a mill. The apparatus may comprise an electrically heated vertical chamber A, carbonyl container C, screw conveyer D, metal collecting chamber E, and gas inlet and outlet F, G. The decomposition may be cartied out in the presence of a gas such as ammonia. Several carbonyls may be decomposed together, mixtures of metals suitable for working up into alloys being obtained. Solid carbonyls and liquid carbonyls such as iron or nickel carbonyl may be treated together, either the solid being introduced as above and the liquid being atomized or vaporized into the chamber or the solid being suspended in the liquid and the mixture being atomized.
Patent GB-245283-A (GB)
Title: Improvements in or relating to sound reproducing instruments
IPC: G11B3/00
Filed: 1925-01-21
Abstract: 245,283. Pedley, A. Jan. 21, 1925. Tone-arm joints.-A sound deflecting surface 12 is provided in the usual hinge joint connecting the swan neck 3 with the T-end 5 of the tone-arm 2 to direct the sound from the swan neck into the tone-arm. The surface 12 is provided on a hollow or solid plug 8 soldered or otherwise fixed in the hinge sleeve to lie, when the swan neck is in playing position, opposite to the passage through the tonearm. The usual pin 9 limits the rotary movement of the swan neck.
Patent GB-246833-A (GB)
Title: Process for obtaining phenol-aldehyde condensation products in a purified form
IPC: C08G8/28
Filed: 1926-01-22
Abstract: 246,833. Bakelite Ges. Jan. 27, 1925, [Convention date]. Phenol-aldehyde condensation products or resins are purified by treating their solutions in alkali with acids in the presence of hydrotropic salts. Such salts are the soluble salts of aromatic or higher fatty acids, especially sodium salicylate and the sodium, potassium, or ammonium salts of the liquid, solid, or semi-solid fatty acids, hydroxy fatty acids, or halogenated fatty acids. Mixtures of the various alkali salts or soaps may also be used. The salts may be added before, during or after the addition of the acids. In examples (1) a resin obtained by the action of formaldehyde, its polymers, or acetaldehyde on a phenol, cresol, or naphthol in the presence of a basic or acid condensing agent is dissolved in caustic soda solution, carbon dioxide is passed in until the mass becomes fluid, and the resin is precipitated as a powder by adding a soda soap solution; (2) phenol-formaldehyde resin, prepared with an acid condensing agent, is dissolved in caustic soda, a soda soap solution is added, and the resin is precipitated by passing in carbon dioxide; (3) phenol-formalehyde resin prepared partly by alkaline and partly by acid condensation is dissolved in caustic soda and precipitated by carbon dioxide, the soda soap solution being added after the precipitate has commenced to form. The Specification as open to inspection under Sect. 91 (3) (a) states that other soluble inorganic or organic acids in gaseous, liquid, or solid form, may be used instead of carbon dioxide, e.g. hydrochloric, phosphoric, acetic, benzoic, or oxalic acid. This subject-matter does not appear in the Specification as accepted.
Patent GB-869382-A (GB)
Title: Moistening device for offset lithographic printing machines
IPC: B41F7/28
Filed: 1959-01-19
Abstract: A moistening device for offset lithographic <PICT:0869382/III/1> printing machines has a deflector 21 comprising a flat plate 21a having notches of decreasing cross-section in the direction of rotation of a brush and mounted on an angularly adjustable spindle 21b.  The deflector engages bristles 20 of the brush 13 to cause the bristles to project a spray on to a cylinder 2.  The bristles may be wire, strip metal, synthetic material, e.g. nylon or rylsan, or of animal, vegetable or mineral origin.  The brush 13 is rotated by a variable speed gear 19 (Fig. 2, not shown) through gears 18 provided at either end of a shaft 14, Fig. 1, thus permitting reversal of the shaft end for end.  Moistening liquid is supplied to a stainless steel tank 1 by a reservoir 6 provided with a valve 8 and a filler plug 11.  The tank 1 has an overflow pipe 4 and drain pipe 4 to maintain constant liquid level in the tank 1.  The tank has a hood 22 provided with a slidably adjustable screen 23 for limiting the area of the cylinder 2 moistened by the spray.  In a modification, bristles 20a (Fig. 3, not shown) engage notches 31 in an angularly adjustable plate 21, while cylindrical heads 37 are individually adjustable, by threaded rods 35, to mask off selected areas of the spray produced by the brush.
Patent GB-578830-A (GB)
Title: Improvements relating to solid fuel fire grates
IPC: F24B1/19
Filed: 1945-01-24
Abstract: 578,830. Firegrates. RADIATION, Ltd., and PICKARD, J. C. Jan. 24, 1945, No. 1950. [Class 126] In a solid fuel firegrate a body part, adapted to support fire bars, carries an air supply control flap extending across the front of the ash space beneath the fire bars and pivoted, so as to allow a small amount of lateral movement, on an axis adjacent to its upper edge; a lever attached to one end of the flap engages stops to determine the position of the flap. The flap h is pivoted in the body part c on trunnions, an extension of one trunnion being secured to a finger lever o, the free end of which has a nib q and which engages projecting stops p. A removable front cover d encloses the flap. A notch n is provided to enable the flap to be moved laterally during adjustment and to be removed easily.
Patent GB-728255-A (GB)
Title: Slate splitting machine
IPC: B28D1/32
Filed: 1953-01-23
Abstract: 728,255. Splitting slate; clamps. LAKE, E. T. Jan. 23, 1953, No. 1980/53. Classes 61 and 124. A slate-splitting machine comprises a splitting tool 3, hammer means 12 associated with the tool to impart a rapid-succession of forward impulses thereto, a movable carriage 4 supporting the tool and hammer and fluid drive means S for moving the carriage towards and away from the work, said drive means controlling the normal rate of splitting of a slate and the rate of increase of force on the slate at the commencement of a splitting operation or when an obstruction is met. The fluid drive as shown comprises a piston rod 13 movable in cylinder 5, the fluid supply to the cylinder being automatically reversed at appropriate points of the carriage travel by adjustable collars actuating a reversing valve and operated by an arm movable with the carriage, and manual control means for starting and stopping the carriage travel are provided. The hammer means comprises a polygonal disc 12 rotated by a motor 16, the corners 15 of which strike a roller 10 on the shank 9 of the chisel 3 when the force on the tool has increased sufficiently to compress the spring 19 and force the roller 10 into the path of the hammer, a slide 22 with inclined surface 28 co-operating with an inclined surface 27 on the shank 9 adjustably to limit the compression of the spring and hence the force applied by the hammer. Hydraulically operated clamps are provided for holding the slate vertically during the splitting operation. As shown in Fig. 16 these clamps comprise arms 103 both rotatable about pinions meshing together, one of which is driven by a rack 108 reciprocable in casing 109 by hydraulic rams 114 moved in casings 116 and 117 by fluid from manifolds 122. The opening of the clamps is made faster than their closing by provision of an extra discharge path 120 for fluid from the casing 116, a check valve 121 controlling this. As shown in Fig. 17 each arm 103 comprises a pair of clamp discs 143 retained in a disc carrier 144 by sprung rings 145, the carrier being normally held perpendicular to the clamp arm by a spring 148 but being yieldable to accommodate slightly bent slates. A number (for example four) of these clamps may be provided at each end of the slate S, and their operation made automatic by means similar to that used for reciprocating the carriage. Specification 220,158, [Class 124], is referred to.
Patent GB-678397-A (GB)
Title: Operating connections between rotatable shafts
IPC: B64C11/30
Filed: 1946-05-06
Abstract: 678,397. Linkwork. BENDIX AVIATION CORPORATION. May 6, 1946 [May 29, 1945], No. 2009/50. Divided out of 678,361. Class 80 (iii). [Also in Group XXIX] In a fluid-pressure servomotor control system for an aircraft engine (see Group XXIX), coaxial shafts 4, 62, to which are fixed, respectively, arms 70, 69, are interconnected by links 71, 73 and a beam 72, the arrangement being such that when a link 74, to which the beam is centrally pivoted, is clamped between stops 84, 86 consequent upon downward movement of a link 79, the beam 72 pivots about its central point to establish a driving connection between the shafts, but when the link 74 can swing freely between the stops, as shown, no drive is transmitted between the shafts. Specifications 678,361, 678,396, 678,398, 678,440, [all in Group XXIX], are referred to.
Patent GB-607794-A (GB)
Title: Improvements in machines for use when welding pressure vessels with automatic welding equipment
IPC: B23K9/028
Filed: 1946-01-22
Abstract: 607,794. Uniting by fusion. HARVEY & CO. (LONDON), Ltd., G. A., and FERGUSSON, H. B. Jan. 22, 1946, No. 2107. [Class 83 (iv)] In a machine for automatically arc welding circumferential or longitudinal seams in vessels &c. having means for rotating or traversing the vessel during operation, means including a calibrated dial is provided on which the welding speed, which is adjustable, may be read by an operator at a remote distance so that the drive is applied to the work at a predetermined speed, when the arc is struck. Relative movement of the work and welding head may thus be started simultaneously with striking of the arc and burning of holes in the work may thus be avoided. The vessel 4 is mounted between adjustable idle rolls 3 and rolls 2 which may be driven, on a wheeled truck 1, the rolls being driven for effecting circumferential welds and the truck traversed on rails for effecting longitudinal welds. The drive is effected by a reversible motor 6 connected through gear-boxes 8, 10, shaft 9 and magnetically-operated clutches 11, 21 respectively to the rolls 2 through bevel gear 12, 13 and spur gear 15, and to the axle 18x through gearing 22. The welding head 43 is adjustable horizontally and vertically on a tubular support 42 carried by a turntable 25 on a wheeled carriage 24 mounted on a gantry 26 which may be raised and lowered on guides 28 by a motor through ropes 29, 30 and winding drum 31. The gantry is counterbalanced by weights 39, 40 passing over pulleys 37, 38. The motor 6 is controlled by a reversible contactor 44 connected thereto by a cable 45, the contactor being itself controlled from a control panel mounted on the gantry and provided with switches connected to the contactor 44 by a trailing cable 47 and manipulated by the operator on a platform 49. The speed of rotation is indicated by a calibrated dial on the control panel connected to an electrical tachometer 48. When the dial shows the required speed, the clutch 11 or 21 is thrown in and motion of the work thus started and at the same time the arc is struck and maintained until the weld is completed. A helical weld may be effected by arranging the rotating and traversing mechanism so that they may be operated simultaneously at different relative speeds.